Now that I got a layout operational, I finally opened my scale PM Berk and separate PE tender. Each came with a orange module. If I understand right, and assuming I have Legacy base hooked up right with TMCC base and TIU, I first program the engine/tender with ID#. I am then on page 74 of Legacy instructions, v 1.3. Do I upload both modules or only one? What is the difference?
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